Standby Job
This task will put your workflow in a standby status waiting for a REST call to continue execution. It will return an end_workflow_url allowing an external process to resume execution. Note that standby will be effective at the end of the workflow and only if there is no error.
You workflow will appear with a "Waiting External" status.
In order to resume the workflow execution, you need to send a POST call to the end_workflow_url and pass success or error in the event parameter.